Home / 8,126.03-12,191.99-3,192.93

Finding the Fourth Proportional to 8,126.03, 12,191.99 and 3,192.93

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Solution

The fourth proportional to 8,126.03, 12,191.99 and 3,192.93 is: 4,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.03 : 12,191.99 = 3,192.93 : x
  2. Step 2: Convert to fraction form
    8,126.03/12,191.99 = 3,192.93/x
  3. Step 3: Cross multiply
    8,126.03x = 12,191.99 × 3,192.93
  4. Step 4: Simplify right side
    8,126.03x = 38,928,154.67
  5. Step 5: Solve for x
    x = 38,928,154.67/8,126.03
  6. Step 6: Final answer
    x = 4,790.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.